Critical CVSS 8.6 EPSS 0.01526 2026-02 archive

Executive Summary

Improper access control in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

Overview

8.6
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
N/A
MS Exploit Likelihood
Category Elevation of Privilege
Released Feb 10 2026
Last Updated Feb 10 2026
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.01526 — 0.71406 percentile

CVSS Vector

ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Changed
Temporal Score: 7.5

EPSS Score

0.01526
probability of exploitation in the next 30 days
0.71406 percentile - updated 2026-06-20
View on FIRST.org

Affected Products

1 affected product
Product KB Article Severity Impact Restart Required
Azure ARC Critical Elevation of Privilege Unknown

Patches

1 patch
Article Type Restart
Unknown

Known Exploits

Acknowledgments

Nikhil Sahoo with Microsoft